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43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
"""add constraint
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Revision ID: c97c445e2bdb
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Revises: 0571870f5222
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Create Date: 2022-03-26 19:46:50.910721
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"""
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from alembic import op
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# revision identifiers, used by Alembic.
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revision = "c97c445e2bdb"
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down_revision = "0571870f5222"
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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with op.batch_alter_table("subscribe", schema=None) as batch_op:
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batch_op.create_unique_constraint("unique-subscribe-constraint", ["target_id", "user_id"])
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with op.batch_alter_table("target", schema=None) as batch_op:
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batch_op.create_unique_constraint("unique-target-constraint", ["target", "platform_name"])
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with op.batch_alter_table("user", schema=None) as batch_op:
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batch_op.create_unique_constraint("unique-user-constraint", ["type", "uid"])
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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with op.batch_alter_table("user", schema=None) as batch_op:
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batch_op.drop_constraint("unique-user-constraint", type_="unique")
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with op.batch_alter_table("target", schema=None) as batch_op:
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batch_op.drop_constraint("unique-target-constraint", type_="unique")
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with op.batch_alter_table("subscribe", schema=None) as batch_op:
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batch_op.drop_constraint("unique-subscribe-constraint", type_="unique")
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# ### end Alembic commands ###
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